huangguo_android/lib/alert/video/comic_buy_alert.dart

// ignore_for_file: use_build_context_synchronously

import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:hgdj/extension/extensions.dart';
import 'package:hgdj/hj_utils/screen.dart';
import 'package:hgdj/tools_base/toast.dart';
import 'package:hgdj/tools_base/widget/sheet_handle_bar.dart';
import 'package:provider/provider.dart';

import '../../assets_tool/app_colors.dart';
import '../../hj_model/acg/comic_chapters_model.dart';
import '../../hj_model/cartoon_media_info.dart';
import '../../hj_utils/pay/pay_manager.dart';
import '../../routers/jump_router.dart';
import '../../tools_base/global_store/store.dart';

///购买漫画/小说弹窗
class ComicBuyAlert extends StatefulWidget {
  //// 返回值:  1 购买单集， 2 购买全集，null 啥都没购买
  static Future<int?> show({
    ComicChapterInfo? curModel, // 单集数据
    CartoonMediaInfo? mediaInfo, // 全集数据
  }) async {
    return await Get.bottomSheet(ComicBuyAlert(
      mediaInfo: mediaInfo,
      curModel: curModel,
    ));
  }

  final ComicChapterInfo? curModel; // 单集数据
  final CartoonMediaInfo? mediaInfo; // 全集数据

  const ComicBuyAlert({
    super.key,
    this.curModel,
    this.mediaInfo,
  });

  @override
  State<ComicBuyAlert> createState() => _ComicBuyAlertState();
}

class _ComicBuyAlertState extends State<ComicBuyAlert> {
  bool _isBuying = false;

  //整套价格（产品当前只开整套购买）
  int get _price => widget.mediaInfo?.price ?? 0;

  @override
  void initState() {
    super.initState();
    //刷完钱包会 notifyListeners，下面的 Consumer 自动重建，不用再 setState
    globalStore.refreshWallet();
  }

  @override
  Widget build(BuildContext context) {
    return Material(
      color: Colors.transparent,
      child: Consumer<GlobalStore>(
        builder: (_, store, __) {
          final enough = (store.wallet?.amount ?? 0) >= _price;
          return Container(
            width: double.infinity,
            padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 18),
            decoration: const BoxDecoration(
              color: AppColors.primaryColor,
              borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
            ),
            child: Column(
              mainAxisSize: MainAxisSize.min,
              children: [
                const SheetHandleBar(),
                18.sizeBoxH,
                const Text(
                  '购买作品',
                  style: TextStyle(
                      color: Color(0xE5ffffff),
                      fontSize: 20,
                      fontWeight: FontWeight.w500),
                ),
                36.sizeBoxH,
                //作品解锁价
                Row(
                  children: [
                    const Text('作品解锁',
                        style:
                            TextStyle(color: Color(0xE5ffffff), fontSize: 14)),
                    const Spacer(),
                    GestureDetector(
                      onTap: () => pushToWalletPage(tabPosition: 1),
                      child: Text(
                        '$_price 金币',
                        style: const TextStyle(
                            color: Color(0xffFF9000),
                            fontSize: 14,
                            fontWeight: FontWeight.w500),
                      ),
                    ),
                  ],
                ),
                18.sizeBoxH,
                Divider(
                    height: 0.5, color: Colors.white.withValues(alpha: .05)),
                18.sizeBoxH,
                //我的金币余额 + 充值入口
                Row(
                  children: [
                    const Text('我的金币',
                        style:
                            TextStyle(color: Color(0xE5ffffff), fontSize: 14)),
                    const Spacer(),
                    Text(
                      '${store.wallet?.amount?.toDouble().fixed(2) ?? 0}',
                      style: const TextStyle(
                          color: Color(0xE5ffffff),
                          fontSize: 14,
                          fontWeight: FontWeight.w500),
                    ),
                    12.sizeBoxW,
                    InkWell(
                      enableFeedback: false,
                      onTap: () => pushToWalletPage(tabPosition: 1),
                      child: const Text(
                        '充值',
                        style: TextStyle(
                          color: Color(0xffA4634D),
                          fontSize: 14,
                          fontWeight: FontWeight.w400,
                          decoration: TextDecoration.underline,
                          decorationColor: Color(0xffA4634D),
                        ),
                      ),
                    ),
                  ],
                ),
                18.sizeBoxH,
                //支付按钮：余额不足直接去充值
                GestureDetector(
                  behavior: HitTestBehavior.translucent,
                  onTap: () => enough
                      ? _buyProduct(true)
                      : pushToWalletPage(tabPosition: 1),
                  child: Container(
                    width: double.infinity,
                    height: 47,
                    decoration: BoxDecoration(
                        color: const Color(0xffF68804),
                        borderRadius: BorderRadius.circular(3)),
                    alignment: Alignment.center,
                    child: Text(
                      enough ? '$_price金币/立即支付' : '余额不足，前往充值',
                      style: const TextStyle(
                          color: Colors.white,
                          fontSize: 16,
                          fontWeight: FontWeight.w500),
                    ),
                  ),
                ),
              ],
            ),
          );
        },
      ),
    );
  }

  ///购买作品：[isAll] true 整本(19)，false 单集(25)
  Future<void> _buyProduct(bool isAll) async {
    if (_isBuying) return; //纯防重入，build 不依赖它，改了不用 setState
    _isBuying = true;
    final productType = isAll ? ProductType.mediaAll : ProductType.mediaChapter;
    final productID = isAll
        ? (widget.mediaInfo?.id ?? widget.curModel?.mediaId)
        : widget.curModel?.id;
    await PayManager().buy(
      productID,
      productType,
      source: 'comic_buy',
      onSuccess: (data) {
        globalStore.refreshWallet();
        showToast("购买成功");
        Get.back(result: isAll ? 2 : 1);
      },
    );
    _isBuying = false;
  }
}